/* * Copyright 2002-2008 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.web.servlet.tags.form; import javax.servlet.jsp.JspException; /** * Data-binding aware JSP tag for rendering a hidden HTML '<code>input</code>' field * containing the databound value. * * <p>Example (binding to 'name' property of form backing object): * <pre class="code> * <form:hidden path="name"/> * </pre> * * @author Rob Harrop * @author Juergen Hoeller * @since 2.0 */ public class HiddenInputTag extends AbstractDataBoundFormElementTag { /** * Writes the HTML '<code>input</code>' tag to the supplied {@link TagWriter} including the * databound value. * @see #writeDefaultAttributes(TagWriter) * @see #getBoundValue() */ protected int writeTagContent(TagWriter tagWriter) throws JspException { tagWriter.startTag("input"); writeDefaultAttributes(tagWriter); tagWriter.writeAttribute("type", "hidden"); tagWriter.writeAttribute("value", getDisplayString(getBoundValue(), getPropertyEditor())); tagWriter.endTag(); return SKIP_BODY; } }